1 | /*****************************************************************************
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2 | * auth.h - PPP Authentication and phase control header file.
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3 | *
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4 | * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
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5 | * portions Copyright (c) 1998 Global Election Systems Inc.
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6 | *
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7 | * The authors hereby grant permission to use, copy, modify, distribute,
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8 | * and license this software and its documentation for any purpose, provided
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9 | * that existing copyright notices are retained in all copies and that this
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10 | * notice and the following disclaimer are included verbatim in any
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11 | * distributions. No written agreement, license, or royalty fee is required
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12 | * for any of the authorized uses.
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13 | *
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14 | * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
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15 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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16 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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17 | * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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18 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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19 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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20 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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21 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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24 | *
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25 | ******************************************************************************
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26 | * REVISION HISTORY
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27 | *
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28 | * 03-01-01 Marc Boucher <marc@mbsi.ca>
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29 | * Ported to lwIP.
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30 | * 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
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31 | * Original derived from BSD pppd.h.
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32 | *****************************************************************************/
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33 | /*
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34 | * pppd.h - PPP daemon global declarations.
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35 | *
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36 | * Copyright (c) 1989 Carnegie Mellon University.
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37 | * All rights reserved.
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38 | *
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39 | * Redistribution and use in source and binary forms are permitted
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40 | * provided that the above copyright notice and this paragraph are
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41 | * duplicated in all such forms and that any documentation,
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42 | * advertising materials, and other materials related to such
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43 | * distribution and use acknowledge that the software was developed
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44 | * by Carnegie Mellon University. The name of the
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45 | * University may not be used to endorse or promote products derived
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46 | * from this software without specific prior written permission.
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47 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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48 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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49 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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50 | *
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51 | */
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52 |
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53 | #ifndef AUTH_H
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54 | #define AUTH_H
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55 |
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56 | /***********************
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57 | *** PUBLIC FUNCTIONS ***
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58 | ***********************/
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59 |
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60 | /* we are starting to use the link */
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61 | void link_required (int);
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62 |
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63 | /* we are finished with the link */
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64 | void link_terminated (int);
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65 |
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66 | /* the LCP layer has left the Opened state */
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67 | void link_down (int);
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68 |
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69 | /* the link is up; authenticate now */
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70 | void link_established (int);
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71 |
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72 | /* a network protocol has come up */
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73 | void np_up (int, u16_t);
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74 |
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75 | /* a network protocol has gone down */
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76 | void np_down (int, u16_t);
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77 |
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78 | /* a network protocol no longer needs link */
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79 | void np_finished (int, u16_t);
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80 |
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81 | /* peer failed to authenticate itself */
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82 | void auth_peer_fail (int, u16_t);
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83 |
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84 | /* peer successfully authenticated itself */
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85 | void auth_peer_success (int, u16_t, char *, int);
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86 |
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87 | /* we failed to authenticate ourselves */
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88 | void auth_withpeer_fail (int, u16_t);
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89 |
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90 | /* we successfully authenticated ourselves */
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91 | void auth_withpeer_success (int, u16_t);
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92 |
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93 | /* check authentication options supplied */
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94 | void auth_check_options (void);
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95 |
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96 | /* check what secrets we have */
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97 | void auth_reset (int);
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98 |
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99 | /* Check peer-supplied username/password */
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100 | u_char check_passwd (int, char *, int, char *, int, char **, int *);
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101 |
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102 | /* get "secret" for chap */
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103 | int get_secret (int, char *, char *, char *, int *, int);
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104 |
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105 | /* check if IP address is authorized */
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106 | int auth_ip_addr (int, u32_t);
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107 |
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108 | /* check if IP address is unreasonable */
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109 | int bad_ip_adrs (u32_t);
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110 |
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111 | #endif /* AUTH_H */
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